Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Carrier Detection Method of Binary-Phase-Shift-Keyed and Direct-Sequence-Spread-Spectrum Signals Based on Duffing Oscillator
In this paper, carrier detection scheme of binary-phase-shift-keyed and direct-sequence-spread-spectrum (DSSS/BPSK) signals based on Duffing chaotic oscillator is presented. Technique of Duffing oscillator weak signal detection is introduced first. Then by making use of Duffing oscillator's sensibility to small periodic signals and immunity against noise, the sine signal is detected which derives from square transform of DSSS/BPSK signal and is submerged in strong noise. The results of simulation show that DSSS/BPSK signal at SR=¿38.35dB can be detected by the presented method here.
Carrier Detection Method of Binary-Phase-Shift-Keyed and Direct-Sequence-Spread-Spectrum Signals Based on Duffing Oscillator
In this paper, carrier detection scheme of binary-phase-shift-keyed and direct-sequence-spread-spectrum (DSSS/BPSK) signals based on Duffing chaotic oscillator is presented. Technique of Duffing oscillator weak signal detection is introduced first. Then by making use of Duffing oscillator's sensibility to small periodic signals and immunity against noise, the sine signal is detected which derives from square transform of DSSS/BPSK signal and is submerged in strong noise. The results of simulation show that DSSS/BPSK signal at SR=¿38.35dB can be detected by the presented method here.
Carrier Detection Method of Binary-Phase-Shift-Keyed and Direct-Sequence-Spread-Spectrum Signals Based on Duffing Oscillator
Jin, Hu (Autor:in) / Wang, Keren (Autor:in)
01.06.2006
4230988 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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